XH-PAZ BRECOFLEX® polyurethane timing belt

Version:

  • Nylon tooth facing
  • 7/8" = 22,225 mm
  • Preferred belt length: 50.8, 76.2 101.6 mm
  • In-between widths, larger widths and other dimensions are possible on request

Available endless lengths:

  • For standard delivery lengths refer to table
  • Under 1,422.4 mm: further lengths on request
  • 1,422.4 mm and over: any number of teeth available (minimum purchase amount for intermediate lengths on request)
  • Over 16,002.00 mm: please enquire

Please consider our warranty.

standard storage goods
Length Teeth
[mm]
CAD 1422,4 64 CAD
CAD 1600 72 CAD
CAD 1778 80 CAD
CAD 1955,8 88 CAD
CAD 2133,6 96 CAD
CAD 2489,2 112 CAD
CAD 2844,8 128 CAD
CAD 3200,4 144 CAD
CAD 3556 160 CAD
CAD 3911,6 176 CAD
CAD 4445 200 CAD
CAD 4978,4 224 CAD
CAD 5778,5 260 CAD
CAD 6223 280 CAD
CAD 8890 400 CAD

Belt width b [cm]

b=FUze⋅FUspezFU[N]b=100⋅Mz1⋅ze⋅MspezM[Nm]b=1000⋅Pz1⋅ze⋅PspezP[kW]

Load bearing characteristics of the drive

when belt width [cm] is

FU=FUspez⋅ze⋅b[N]M=Mspez⋅z1⋅ze⋅b100[Nm]P=Pspez⋅z1⋅ze⋅b1000[kW]

Number of teeth in mesh

zemax=12ze=z1180⋅arccos⁡t⋅(z2−z1)2π⋅a

 

1. Tooth shear strength

specific belt tooth strength

Rotational speed n [rpm] Fuspez [N/cm] Mspez [Ncm/cm] Pspez [W/cm] Rotational speed n [rpm] Fuspez [N/cm] Mspez [Ncm/cm] Pspez [W/cm]
0 126,300 44,700 0,000 1400 64,100 22,700 33,200
20 122,100 43,200 0,904 1500 62,600 22,100 34,800
40 118,500 41,900 1,756 1600 61,200 21,700 36,300
60 115,500 40,800 2,570 1700 59,900 21,200 37,700
80 112,800 39,900 3,340 1800 58,700 20,700 39,100
100 110,400 39,000 4,090 1900 57,500 20,300 40,500
200 101,000 35,700 7,490 2000 56,400 19,940 41,800
300 94,400 33,400 10,490 2200 54,300 19,200 44,200
400 89,300 31,600 13,230 2400 52,400 18,520 46,500
500 85,100 30,100 15,770 2600 50,600 17,900 48,700
600 81,600 28,900 18,130 2800 49,000 17,310 50,800
700 78,500 27,800 20,400 3000 47,400 16,770 52,700
800 75,800 26,800 22,500 3200 46,000 16,270 54,500
900 73,400 26,000 24,500 3400 44,600 15,790 56,200
1000 71,200 25,200 26,400 3600 43,400 15,340 57,800
1100 69,200 24,500 28,200 3800 42,200 14,910 59,300
1200 67,400 23,800 29,900 4000 41,000 14,500 60,700
1300 65,700 23,200 31,600 4500 38,400 13,570 63,900

Rotational speed over 4500 rpm and/or belt speeds over 40 m/s are in need of a special drive design. Please request for our advice.

2. Tension cord strength [N]

permitted tensile force of the belt Fzul

Belt width b [mm] 50,8 76,2 101,6
BRECOFLEX XH 3800 12000 16250

3. Belt weights [kg/m]

Belt width b [mm] 50,8 76,2 101,6
BRECOFLEX XH 0,530 0,795 1,059

4. Flexibility

Minimum numbers of teeth, minimum diameter

( X ) without contraflexure

( X X ) with contraflexure

Belt type Number of teeth zmin ( X ) Tension roller dmin [mm] ( X ) Number of teeth zmin ( X X ) Tension roller dmin [mm] ( X X )
BRECOFLEX XH 18 150 25 180

XH-PAZ BRECOFLEX® Polyurethan-Zahnriemen
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